Alert archive / Iowa / Tornado Warnings in 2024
Tornado Warning 3, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Apr 16, 2024, 1:46 PM CDT for Dakota County, Nebraska; Plymouth County, Woodbury County, Iowa. It was in force for 29 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 16, 2024, 1:46 PM CDT (18:46 UTC)
- Expired
- Apr 16, 2024, 2:15 PM CDT
- In force
- 29 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Plymouth County, IA, Woodbury County, IA, Dakota County, NE
The radar
The Sioux Falls radar (KFSD), 122 km from the middle of the area, began a volume at 18:50 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 16, 1:46 PM CDT | TORNADO | 1 Nnw Hinton, IA | Brief touchdown in open field reported by Hinton Police Department. |
| Apr 16, 1:50 PM CDT | HAIL 1 | 3 N Sioux City, IA | Via mping. Social media confirms quarter size hail in northern Sioux City. Time estimated via radar. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 16, 12:23 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 6.8 hours before the alert went out and 134 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 852 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1959 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.0
The text
As transmitted.
690
WFUS53 KFSD 161846
TORFSD
IAC149-193-NEC043-161915-
/O.NEW.KFSD.TO.W.0003.240416T1846Z-240416T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
146 PM CDT Tue Apr 16 2024
The National Weather Service in Sioux Falls has issued a
* Tornado Warning for...
Northwestern Woodbury County in west central Iowa...
South central Plymouth County in northwestern Iowa...
Northeastern Dakota County in northeastern Nebraska...
* Until 215 PM CDT.
* At 146 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Sioux City, moving northeast at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Sioux City and Hinton around 150 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4245 9649 4266 9641 4265 9612 4243 9626
TIME...MOT...LOC 1846Z 207DEG 21KT 4249 9639
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
SG2 follow-up statements
162
WWUS53 KFSD 161856
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
156 PM CDT Tue Apr 16 2024
NEC043-161905-
/O.CAN.KFSD.TO.W.0003.000000T0000Z-240416T1915Z/
Dakota NE-
156 PM CDT Tue Apr 16 2024
...THE TORNADO WARNING FOR NORTHEASTERN DAKOTA COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM CDT for northwestern
and west central Iowa.
&&
LAT...LON 4252 9644 4266 9641 4265 9612 4250 9624
TIME...MOT...LOC 1855Z 201DEG 31KT 4258 9635
$$
IAC149-193-161915-
/O.CON.KFSD.TO.W.0003.000000T0000Z-240416T1915Z/
Woodbury IA-Plymouth IA-
156 PM CDT Tue Apr 16 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR
NORTHWESTERN WOODBURY AND SOUTH CENTRAL PLYMOUTH COUNTIES...
At 155 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hinton, or near Sioux City, moving north at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Hinton around 200 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4252 9644 4266 9641 4265 9612 4250 9624
TIME...MOT...LOC 1855Z 201DEG 31KT 4258 9635
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
SG698 WWUS53 KFSD 161908 SVSFSD Severe Weather Statement National Weather Service Sioux Falls SD 208 PM CDT Tue Apr 16 2024 IAC149-193-161918- /O.EXP.KFSD.TO.W.0003.000000T0000Z-240416T1915Z/ Woodbury IA-Plymouth IA- 208 PM CDT Tue Apr 16 2024 ...THE TORNADO WARNING FOR NORTHWESTERN WOODBURY AND SOUTH CENTRAL PLYMOUTH COUNTIES WILL EXPIRE AT 215 PM CDT... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning will be allowed to expire. A Tornado Watch remains in effect until 700 PM CDT for northwestern and west central Iowa. && LAT...LON 4252 9644 4266 9641 4265 9612 4250 9624 TIME...MOT...LOC 1908Z 213DEG 26KT 4264 9624 $$ SG
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 2:56 AM CDT | Wind Advisory | FSD | Dakota | 16 hr |
| Apr 16, 1:36 PM CDT | Tornado Warning | FSD | Dakota | 24 min |
| Apr 16, 1:58 PM CDT | Tornado Warning | FSD | Plymouth, Sioux | 32 min |
| Apr 16, 2:15 PM CDT | Tornado Warning | FSD | Plymouth, Sioux | 30 min |
| Apr 16, 2:22 PM CDT | Tornado Warning | FSD | Sioux | 23 min |
| Apr 16, 2:38 PM CDT | Tornado Warning | FSD | Lyon, Sioux | 22 min |
| Apr 16, 2:49 PM CDT | Tornado Warning | FSD | Lyon, Sioux | 11 min |
| Apr 16, 2:59 PM CDT | Tornado Warning | FSD | Lyon, Osceola, Sioux | 31 min |
| Apr 16, 3:10 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 35 min |
| Apr 16, 4:07 PM CDT | Tornado Warning | FSD | Clay, Dickinson | 23 min |
Nearby
Tornado Warnings in Iowa, 2024Tornado Warnings in Nebraska, 2024Every tornado warning in 2024Tornadoes in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.